Security and/or valuable documents with a top layer with a scratch-resistant finish
US8673452B2 · kind B2 · utility
23Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2011 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Apr 5, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a security and/or valuable document containing a scratch-resistant coating obtained from a lacquer composition comprising
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.